Impact Of Open-pit Mining Expansion on Slope Stability at Pt. Hikari Jeindo, Langgikima, North Konawe, Indonesia
Publish place: Journal of Mining and Environment، Vol: 15، Issue: 3
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JMAE-15-3_008
تاریخ نمایه سازی: 23 خرداد 1403
Abstract:
Expansion of mining pit is associated with an increased risk of slope instability and high costs. This is because changes in geometry of the mine slope significantly affect slope stability, alter the stripping ratio, and potentially threaten the continuity of mining operations. Therefore, this research work aimed to investigate the impact of changes in geometry of mining pit on slope stability to provide insight into safety, economic assurances, and ensure the sustainability of mining operations. This research work was applied by the ۲D numerical modeling method using the Slide Software V. ۶.۰ Rocscience to analyze geometry of mining pit and impact on slope safety factors. The investigation was conducted at Pit Block A of Pt. Hikari Jeindo, managing nickel mining activities in the Langgikima District, North Konawe, Regency, Southeast Sulawesi Province, Indonesia. The results showed that the modeling method successfully showed changes in slope geometry, ensuring safe and economically viable slope safety factors. However, to obtain a more comprehensive understanding of slope stability conditions, a ۳D numerical modeling method is required to capture the area affected by expansion of mining pit.
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Authors
Sahrul Salu
School of Mining Engineering, Faculty of Science and Engineering, Universitas Sembilanbelas November Kolaka, Indonesia
Bima Bima
School of Mining Engineering, Faculty of Science and Engineering, Universitas Sembilanbelas November Kolaka, Indonesia
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